English verb conjugation
MUST CRANK

Regular verb: crank - cranked - cranked

Affirmation

Simple form	V-ing form
I must crank you must crank he must crank we must crank you must crank they must crank	I must be cranking you must be cranking he must be cranking we must be cranking you must be cranking they must be cranking
Perfect	V-ing perfect
I must have cranked you must have cranked he must have cranked we must have cranked you must have cranked they must have cranked	I must have been cranking you must have been cranking he must have been cranking we must have been cranking you must have been cranking they must have been cranking

Negation

Simple form	V-ing form
I mustn't crank you mustn't crank he mustn't crank we mustn't crank you mustn't crank they mustn't crank	I mustn't be cranking you mustn't be cranking he mustn't be cranking we mustn't be cranking you mustn't be cranking they mustn't be cranking
Perfect	V-ing perfect
I mustn't have cranked you mustn't have cranked he mustn't have cranked we mustn't have cranked you mustn't have cranked they mustn't have cranked	I mustn't have been cranking you mustn't have been cranking he mustn't have been cranking we mustn't have been cranking you mustn't have been cranking they mustn't have been cranking

Interrogative form

Simple form	V-ing form
must I crank? must you crank? must he crank? must we crank? must you crank? must they crank?	must I be cranking? must you be cranking? must he be cranking? must we be cranking? must you be cranking? must they be cranking?
Perfect	V-ing perfect
must I have cranked? must you have cranked? must he have cranked? must we have cranked? must you have cranked? must they have cranked?	must I have been cranking? must you have been cranking? must he have been cranking? must we have been cranking? must you have been cranking? must they have been cranking?

Interro-negative form

Simple form	V-ing form
mustn't I crank? mustn't you crank? mustn't he crank? mustn't we crank? mustn't you crank? mustn't they crank?	mustn't I be cranking? mustn't you be cranking? mustn't he be cranking? mustn't we be cranking? mustn't you be cranking? mustn't they be cranking?
Perfect	V-ing perfect
mustn't I have cranked? mustn't you have cranked? mustn't he have cranked? mustn't we have cranked? mustn't you have cranked? mustn't they have cranked?	mustn't I have been cranking? mustn't you have been cranking? mustn't he have been cranking? mustn't we have been cranking? mustn't you have been cranking? mustn't they have been cranking?